Giant $c$-axis nonlinear anomalous Hall effect in T$_d$-MoTe$_2$ and WTe$_2$

no code implementations • 12 Mar 2021 • Archana Tiwari, Fangchu Chen, Shazhou Zhong, Elizabeth Drueke, Jahyun Koo, Austin Kaczmarek, Cong Xiao, Jingjing Gao, Xuan Luo, Qian Niu, Yuping Sun, Binghai Yan, Liuyan Zhao, Adam W. Tsen

While the anomalous Hall effect can manifest even without an external magnetic field, time reversal symmetry is nonetheless still broken by the internal magnetization of the sample.

Mesoscale and Nanoscale Physics

Topological electric driving of magnetization dynamics in insulators

no code implementations • 18 Jan 2021 • Cong Xiao, Bangguo Xiong, Qian Niu

Established forms of electromagnetic coupling are usually conservative (in insulators) or dissipative (in metals and semiconductors).

Mesoscale and Nanoscale Physics